[Retros] one man PGs

Tue May 17 10:35:32 EDT 2016

Well, of course it is not sound. I was a bit too quick.
But this is OK for sure:

+---+---+---+---+---+---+---+---+
|*R |*N |*B |*Q |*K |*B |*N | . |
+---+---+---+---+---+---+---+---+
| . |*P |*P |*P |*P |*P | . |*P |
+---+---+---+---+---+---+---+---+
|   | . |   | . |   | . |   | . |
+---+---+---+---+---+---+---+---+
|*N |   | . |   | . |   | . |   |
+---+---+---+---+---+---+---+---+
|   | . |   | . |   | . |   | . |
+---+---+---+---+---+---+---+---+
| N |   | . |   | . |   | . |   |
+---+---+---+---+---+---+---+---+
| K | P | P | P | P | P | P | . |
+---+---+---+---+---+---+---+---+
| . |   | . |   | . |   | B | R |
+---+---+---+---+---+---+---+---+
SPG 16.5  C+
1.Nf3 a5 2.Nd4 a4 3.Nb3 axb3 4.Na3 bxa2 5.Rb1 axb1=N 6.h4 Nc3
7.h5 Na2 8.h6 Nxc1 9.hxg7 Na2 10.gxh8=B Nc3 11.Be5 Nxd1 12.Bh2 Ne3
13.Bg1 Nxf1 14.Kd1 Ne3+ 15.Kc1 Nc4 16.Kb1 Na5 17.Ka2

From: Göran Wicklund
Sent: 17 May 2016 16:31
To: The Retrograde Analysis Mailing List; Roberto Osorio
Subject: RE: [Retros] one man PGs

I hope this one is sound:

+---+---+---+---+---+---+---+---+
|*R |*N |*B |*Q |*K |*B |*N | . |
+---+---+---+---+---+---+---+---+
| . |*P |*P |*P |*P |*P | . |*P |
+---+---+---+---+---+---+---+---+
|   | . |   | . |   | . |   | . |
+---+---+---+---+---+---+---+---+
| . |   | . |   | . |   | . |   |
+---+---+---+---+---+---+---+---+
|   | . |   | . |   | . |   | . |
+---+---+---+---+---+---+---+---+
| N |   | . |   | . |   | P |   |
+---+---+---+---+---+---+---+---+
|   | P | P | P | P | P |   | B |
+---+---+---+---+---+---+---+---+
| K |*N | . |   | . |   | . | R |
+---+---+---+---+---+---+---+---+
SPG 17.0

and possibly this one:

+---+---+---+---+---+---+---+---+
|*R |*N |*B |*Q |*K |*B |*N | . |
+---+---+---+---+---+---+---+---+
| . |*P |*P |*P |*P |*P | . |*P |
+---+---+---+---+---+---+---+---+
|   | . |   | . |   | . |   | . |
+---+---+---+---+---+---+---+---+
| . |   | . |   | . |   | . |   |
+---+---+---+---+---+---+---+---+
|   | . |   | . |   | . |   | . |
+---+---+---+---+---+---+---+---+
| N |   | . |   | . |   | P |   |
+---+---+---+---+---+---+---+---+
|   | P | P | P | P | P |   | B |
+---+---+---+---+---+---+---+---+
| K | R | . |   | . |   | . |   |
+---+---+---+---+---+---+---+---+

SPG 17.5

1.Nf3 a5 2.Nd4 a4 3.Nb3 axb3 4.Na3 bxa2 5.Rb1 axb1=N 6.h4 Nc3 7.h5 Na2
8.h6 Nxc1 9.hxg7 Na2 10.gxh8=B Nc3 11.Be5 Nxd1 12.Bh2 Ne3 13.g3 Nxf1
14.Kd1 Ne3+ 15.Kc1 Nd5 16.Kb1 Nc3+ 17.Ka1 Nb1 18.Rxb1

Göran Wicklund

From: Retros [mailto:retros-bounces at janko.at] On Behalf Of allanbell2 at gmail.com<mailto:allanbell2 at gmail.com>
Sent: 17 May 2016 15:24
To: The Retrograde Analysis Mailing List; Roberto Osorio
Subject: Re: [Retros] one man PGs

Hi,

Below is 1st Com. in the Champagne Tourney for “long travel” problems, Kobe 2012, showing a one man round trip.  I expect there are longer examples of one man SPGs.

Best wishes,

Allan.

Champagne Tourney

WCCC Kobe 2012

Allan Bell

Ireland

1st Commendation

!--------!

/ :F: : :/

/45TP:P: 01RP/

/ :P:P: :/

/: 67F :P()P /

/ 45T : : 23D/

/: : : : /

/p()pp45tp()pp()p/

/45tc67fde01rf89ct/

$________$

2b5/rp1p2kp/2p1p3/2b2pp1/1r5q/8/PPPRPPPP/RSBQKBSR

(16+13)

SPG 15.5

Solution:

1.Pd2-d3 Pe7-e6  2.Pd3-d4 Bf8-c5  3.Pd4-d5 Sg8-e7  4.Pd5-d6 O-O  5.Pd6xe7 Pf7-f5  6.Pe7-e8=R Qd8-h4  7.Re8-e7 Rf8-f6  8.Re7-f7 Rf6-g6  9.Rf7-f6 Rg6-g4  10.Rf6-g6 Rg4-b4  11.Rg6-g3 Pg7-g5  12.Rg3-a3 Kg8-g7  13.Ra3xa7 Sb8-a6  14.Ra7xa6 Ra8-a7  15.Ra6-d6 Pc7-c6  16.Rd6-d2

(C+)

From: roberto osorio<mailto:osorio.arg at gmail.com>
Sent: Tuesday, May 17, 2016 12:28 PM
To: retros at janko.at<mailto:retros at janko.at>
Subject: [Retros] one man PGs

Hi friends,

This is probably not a new matter, but I ask it anyway.

Have the "one man" records been explored? I mean, PGs where one or both sides
move just one piece.

Far away to pretend to be a record, I show an example (surely already done),

One side "one man"
-------------------------------------------------------------------------------------------------
1nb3k1/1pp3pp/3p4/8/1n3p2/7q/PPPPPrPP/RNBQKBNR
12.0 moves   C+

1. Pf2-f4   Cg8-f6     2. Pf4-f5   Cf6-d5     3. Pf5-f6   Cd5-b4
4. Pf6xe7   Pf7-f5     5. Pe7xf8=F Pf5-f4     6. Ff8-c5   Dd8-h4
7. Fc5-f2   Dh4-h3     8. Ff2xa7   0-0        9. Fa7-c5   Ta8-a3
10. Fc5xf8   Ta3-f3    11. Ff8-c5   Pd7-d6    12. Fc5-f2   Tf3xf2

Two sided "one man"
----------------------------------------------------------------------------------------------------
rnbqkbnr/1ppp1p1p/8/8/8/8/P1PPP1PP/1NBQKBNR
7.0 moves   C+

1. Pf2-f4   Pa7-a5     2. Pf4-f5   Pa5-a4     3. Pf5-f6   Pa4-a3
4. Pf6xg7   Pa3xb2     5. Pg7xf8=F Pb2xa1=F   6. Ff8xe7   Fa1-g7
7. Fe7-f8   Fg7xf8

There are different tasks, lenght record, Homebase, thematic touches (Pronkin, Donati, etc).

best,
Roberto Osorio
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